Lentils significantly reduce blood glucose levels, study reveals

Dan Ramdath of Agriculture and Agri-Food Canada, U of G Ph.D. student Dita Moravek and U of G Prof. Alison Duncan. Credit: University of Guelph

Replacing potatoes or rice with pulses can lower your blood glucose levels by more than 20 per cent, according to a first-ever University of Guelph study.

Prof. Alison Duncan, Department of Human Health and Nutritional Sciences, and Dan Ramdath of Agriculture and Agri-Food Canada, found that swapping out half of a portion of these starchy side dishes for can significantly improve your body’s response to the carbohydrates.


Replacing half a serving of rice with lentils caused to drop by up to 20 per cent. Replacing potatoes with lentils led to a 35-per-cent drop.


“Pulses are extremely nutrient-dense food that have the potential to reduce chronic diseases associated with mismanaged glucose levels,” said Duncan, who worked on the study with Ph.D. student Dita Moravek and M.Sc. students Erica Rogers, Sarah Turkstra and Jessica Wilson.


Yet very few Canadians eat lentils, she added.

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